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Collections are a way for you to organize kata so that you can create your own training routines. Every collection you create is public and automatically sharable with other warriors. After you have added a few kata to a collection you and others can train on the kata contained within the collection.
Get started now by creating a new collection.
Yes, why is this worded in such a confusing fashion?
Please fix for future code warriors!
Agree with pre, the description does not explain what is requested properly. Examples therefore contradict each other. Wasted time trying to code for something that was not described correctly.
I... wish I knew when recursion would be useful. My solution separated the numbers into arrays by 10^n places and then discovered for 9s, 5-8s, 4s, 1-3s. I am an absolute beginner so I will forgive myself but thank you for your kind submission. Helps people like me learn so much (including when recursion would be useful...), and so much quicker. I'm sure I speak for many.
Much appreciated.